102121121201202 has 24 divisors (see below), whose sum is σ = 222727743376320. Its totient is φ = 33814940794200.

The previous prime is 102121121201179. The next prime is 102121121201221. The reversal of 102121121201202 is 202102121121201.

102121121201202 is a `hidden beast` number, since 10 + 21 + 211 + 21 + 201 + 202 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18786075502 + ... + 18786080937.

It is an arithmetic number, because the mean of its divisors is an integer number (9280322640680).

Almost surely, 2^{102121121201202} is an apocalyptic number.

102121121201202 is an abundant number, since it is smaller than the sum of its proper divisors (120606622175118).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102121121201202 is a wasteful number, since it uses less digits than its factorization.

102121121201202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37572156598 (or 37572156595 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 102121121201202 its reverse (202102121121201), we get a palindrome (304223242322403).

It can be divided in two parts, 102121121201 and 202, that multiplied together give a palindrome (20628466482602).

The spelling of 102121121201202 in words is "one hundred two trillion, one hundred twenty-one billion, one hundred twenty-one million, two hundred one thousand, two hundred two".